Home / 15,038.38-22,556.89-7,135.11

Finding the Fourth Proportional to 15,038.38, 22,556.89 and 7,135.11

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Solution

The fourth proportional to 15,038.38, 22,556.89 and 7,135.11 is: 10,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.38 : 22,556.89 = 7,135.11 : x
  2. Step 2: Convert to fraction form
    15,038.38/22,556.89 = 7,135.11/x
  3. Step 3: Cross multiply
    15,038.38x = 22,556.89 × 7,135.11
  4. Step 4: Simplify right side
    15,038.38x = 160,945,891.41
  5. Step 5: Solve for x
    x = 160,945,891.41/15,038.38
  6. Step 6: Final answer
    x = 10,702.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.